Sunspot region AR11907

Number of
sunspots
Size Class Magn. Class Spot Location
2013/11/27 8 30 DRO S09E18
2013/11/28 11 60 DAO S10E04
2013/11/29 25 200 EAC S09W08
2013/11/30 21 130 EAC S09W22
2013/12/01 10 60 CAO S09W38
2013/12/02 3 30 HRX S09W49
C
2

The top 2 solar flares from sunspot region 11907

Start Maximum End
1C2.182013/11/2909:5910:0610:09
2C1.512013/11/2809:3309:3709:40

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Space weather facts

Last X-flare2026/01/18X1.9
Last M-flare2026/01/21M3.4
Last geomagnetic storm2026/01/22Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026119.6 -4.4
Last 30 days122.3 +11.2

This day in history*

Solar flares
12023M2.8
22002M1.92
32015M1.61
42001M1.5
51999M1.19
DstG
11979-57G1
22004-56
31958-52G1
41959-52G2
52006-51G1
*since 1994

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